Use a calculator to approximate the expression. Write your answer in scientific notation, and round to the nearest tenth as needed.(2.5 × 105) + (1.3 × 107)
A. 1.3 × 10-12
B. 1.5 × 10-7
C. 1.3 × 107
D. 1.5 × 1012
Answer: C
Mathematics
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Add or subtract as indicated.
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A. 
B. 
C. 
D. 
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Solve the problem. Use 3.14 for ?. Round to the nearest whole number.A new addition is being build onto an art museum. The new building is in the shape of a pyramid. If the height of the building is 100 feet and its square base is 50 feet on a side, find the volume of the building.
A. 250,000 ft3 B. 1667 ft3 C. 125,000 ft3 D. 83,333 ft3
Mathematics
Find the exact value of the expression.sin
A. 
B. 
C. 
D. 
Mathematics
Find all the factors of the natural number.35
A. 1, 35 B. 5, 7 C. 5, 7, 35 D. 1, 5, 7, 35
Mathematics